21426300

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:225

約数の個数: 216

約数和(自身を含む): 81244800

約数和(自身を除く): 59818500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 28, 30, 35, 36, 38, 42, 45, 50, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 114, 126, 133, 140, 150, 171, 175, 179, 180, 190, 210, 225, 228, 252, 266, 285, 300, 315, 342, 350, 358, 380, 399, 420, 450, 475, 525, 532, 537, 570, 630, 665, 684, 700, 716, 798, 855, 895, 900, 950, 1050, 1074, 1140, 1197, 1253, 1260, 1330, 1425, 1575, 1596, 1611, 1710, 1790, 1900, 1995, 2100, 2148, 2394, 2506, 2660, 2685, 2850, 3150, 3222, 3325, 3401, 3420, 3580, 3759, 3990, 4275, 4475, 4788, 5012, 5370, 5700, 5985, 6265, 6300, 6444, 6650, 6802, 7518, 7980, 8055, 8550, 8950, 9975, 10203, 10740, 11277, 11970, 12530, 13300, 13425, 13604, 15036, 16110, 17005, 17100, 17900, 18795, 19950, 20406, 22554, 23807, 23940, 25060, 26850, 29925, 30609, 31325, 32220, 34010, 37590, 39900, 40275, 40812, 45108, 47614, 51015, 53700, 56385, 59850, 61218, 62650, 68020, 71421, 75180, 80550, 85025, 93975, 95228, 102030, 112770, 119035, 119700, 122436, 125300, 142842, 153045, 161100, 170050, 187950, 204060, 214263, 225540, 238070, 255075, 281925, 285684, 306090, 340100, 357105, 375900, 428526, 476140, 510150, 563850, 595175, 612180, 714210, 765225, 857052, 1020300, 1071315, 1127700, 1190350, 1428420, 1530450, 1785525, 2142630, 2380700, 3060900, 3571050, 4285260, 5356575, 7142100, 10713150, 21426300]

約数ペア:

[(1, 21426300), (2, 10713150), (3, 7142100), (4, 5356575), (5, 4285260), (6, 3571050), (7, 3060900), (9, 2380700), (10, 2142630), (12, 1785525), (14, 1530450), (15, 1428420), (18, 1190350), (19, 1127700), (20, 1071315), (21, 1020300), (25, 857052), (28, 765225), (30, 714210), (35, 612180), (36, 595175), (38, 563850), (42, 510150), (45, 476140), (50, 428526), (57, 375900), (60, 357105), (63, 340100), (70, 306090), (75, 285684), (76, 281925), (84, 255075), (90, 238070), (95, 225540), (100, 214263), (105, 204060), (114, 187950), (126, 170050), (133, 161100), (140, 153045), (150, 142842), (171, 125300), (175, 122436), (179, 119700), (180, 119035), (190, 112770), (210, 102030), (225, 95228), (228, 93975), (252, 85025), (266, 80550), (285, 75180), (300, 71421), (315, 68020), (342, 62650), (350, 61218), (358, 59850), (380, 56385), (399, 53700), (420, 51015), (450, 47614), (475, 45108), (525, 40812), (532, 40275), (537, 39900), (570, 37590), (630, 34010), (665, 32220), (684, 31325), (700, 30609), (716, 29925), (798, 26850), (855, 25060), (895, 23940), (900, 23807), (950, 22554), (1050, 20406), (1074, 19950), (1140, 18795), (1197, 17900), (1253, 17100), (1260, 17005), (1330, 16110), (1425, 15036), (1575, 13604), (1596, 13425), (1611, 13300), (1710, 12530), (1790, 11970), (1900, 11277), (1995, 10740), (2100, 10203), (2148, 9975), (2394, 8950), (2506, 8550), (2660, 8055), (2685, 7980), (2850, 7518), (3150, 6802), (3222, 6650), (3325, 6444), (3401, 6300), (3420, 6265), (3580, 5985), (3759, 5700), (3990, 5370), (4275, 5012), (4475, 4788)]